Answer:
Considering the fact that Atomic Bombs were a fairly new concept, it likely was an eye-opener for the Soviet Union, in the way that they felt threatened at the fact that such a weapon existed and had been possessed by another entity. And so, this essentially describes the Cold War in a nutshell, as the tension between the two powers of the world (the US and the USSR) set out for an arms race.
Answer:
The Kansas-Nebraska Act allowed each territory to decide the issue of slavery on the basis of popular sovereignty. Kansas with slavery would violate the Missouri Compromise, which had kept the Union from falling apart for the last thirty-four years.
Explanation:
NATO or the North Atlantic Treaty Organization is a military alliance formed in 1949 as a mutual defense treaty of its member countries against external attacks. It was initially formed to counter the military capabilities of the USSR. It currently has 28 member countries from North America and Europe.
The Warsaw Pact was the Soviet Union's response to NATO, and was formed in 1955. It is also a mutual defense agreement among 8 member countries in the Soviet Union and Central and Eastern Europe.
William the Conqueror was important because he established feudalism in Europe.
